Home / 55,848.92-77,072.29-30,355.28

Finding the Fourth Proportional to 55,848.92, 77,072.29 and 30,355.28

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Solution

The fourth proportional to 55,848.92, 77,072.29 and 30,355.28 is: 41,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,848.92 : 77,072.29 = 30,355.28 : x
  2. Step 2: Convert to fraction form
    55,848.92/77,072.29 = 30,355.28/x
  3. Step 3: Cross multiply
    55,848.92x = 77,072.29 × 30,355.28
  4. Step 4: Simplify right side
    55,848.92x = 2,339,550,943.19
  5. Step 5: Solve for x
    x = 2,339,550,943.19/55,848.92
  6. Step 6: Final answer
    x = 41,890.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.